diff --git a/.gitignore b/.gitignore
index aa88328..75a2089 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,9 @@
 media
 exec
+nesem
 *log*
 *cache*
 *.patch
 *.out
-*dump*
\ No newline at end of file
+*dump*
+*.json
diff --git a/Makefile b/Makefile
index cdcb4c8..f0b9489 100644
--- a/Makefile
+++ b/Makefile
@@ -1,16 +1,17 @@
 CC = cc
-CFLAGS = -g -DDEBUG -static
+CFLAGS = -static -Ofast
+CDEBUGFLAGS = -g -DDEBUG -static
 RM = rm -rf
-OUTFILE = exec
+OUTFILE = nesem
 
 
 default: all
 
 all:
-	$(CC) bus.c cpu.c cartridge.c ppu.c -Ofast -o $(OUTFILE)
+	$(CC) $(CFLAGS) bus.c cpu.c cartridge.c ppu.c -o $(OUTFILE)
 
 clean:
 	$(RM) $(OUTFILE)
 	
 debug:
-	$(CC) $(CFLAGS) bus.c cpu.c ppu.c cartridge.c -o $(OUTFILE)
+	$(CC) $(CDEBUGFLAGS) bus.c cpu.c ppu.c cartridge.c -o $(OUTFILE)
diff --git a/bus.c b/bus.c
index 7452151..3d67808 100644
--- a/bus.c
+++ b/bus.c
@@ -112,6 +112,13 @@ void activateCpuNmi(){
 
 int main(int argc, char * argv[]){
 
+    #ifdef DEBUG
+        locationRegister testbit;
+        testbit.data = 0;
+        testbit.field.fineY = 0xFF;
+        printf("%016x", testbit.data);
+    #endif
+
     activateCpuNmiBool = false;
 
     CPU * cpu = (CPU*)malloc(sizeof(CPU)); //create new CPU
diff --git a/ppu.c b/ppu.c
index 95c5a6d..17adb64 100644
--- a/ppu.c
+++ b/ppu.c
@@ -28,12 +28,12 @@ fixed
 word resolveAttributeTableAddress(word regData){
     locationRegister n;
     n.data = regData;
-    byte trimmedCoarseX = n.bits.coarseX >> 2; //trim the lowest 2 bits of coarse X
-    byte trimmedCoarseY = n.bits.coarseY >> 2; //trim the lowest 2 bits of coarse Y
+    byte trimmedCoarseX = n.field.coarseX >> 2; //trim the lowest 2 bits of coarse X
+    byte trimmedCoarseY = n.field.coarseY >> 2; //trim the lowest 2 bits of coarse Y
 
     word ret = trimmedCoarseX | (trimmedCoarseY << 3); //YYYXXX
     ret = 0b1111 >> 6 | ret; //1111YYYXXX
-    ret = n.bits.nameTableID << 10 | ret; //NN1111YYYXXX
+    ret = n.field.nameTableID << 10 | ret; //NN1111YYYXXX
     ret = 0b10 << 12 | ret; //10NN1111YYYXXX
 
     return ret;
@@ -106,7 +106,7 @@ void ppuRegWrite(word address, byte data){
         case 0: //ppuctrl
 
             ppu.control.full = data;
-            ppu.tReg.bits.nameTableID = ppu.control.nameTableID;
+            ppu.tReg.field.nameTableID = ppu.control.nameTableID;
 
         break;
 
@@ -134,12 +134,12 @@ void ppuRegWrite(word address, byte data){
 
             if(ppu.expectingLsb){
                 //second write
-                ppu.tReg.bits.fineY = data & 0b00000111; //set fineY
-                ppu.tReg.bits.coarseY = data >> 3; //set coarse Y
+                ppu.tReg.field.fineY = data & 0b00000111; //set fineY
+                ppu.tReg.field.coarseY = data >> 3; //set coarse Y
             }else{
                 //first write
                 ppu.xReg = data & 0b00000111; //set fineX
-                ppu.tReg.bits.coarseX = data >> 3; //set coarse X
+                ppu.tReg.field.coarseX = data >> 3; //set coarse X
             }
 
             ppu.expectingLsb = !ppu.expectingLsb;
@@ -162,7 +162,7 @@ void ppuRegWrite(word address, byte data){
                 buf = buf | (ppu.tReg.data & 0xFF);
                 ppu.tReg.data = buf;
 
-                ppu.tReg.bits.fineY = ppu.tReg.bits.fineY & 0b011; //clear highest bit of fine Y
+                ppu.tReg.field.fineY = ppu.tReg.field.fineY & 0b011; //clear highest bit of fine Y
             }
 
             ppu.expectingLsb = !ppu.expectingLsb;
diff --git a/ppu.h b/ppu.h
index 3b08023..a6fae80 100644
--- a/ppu.h
+++ b/ppu.h
@@ -5,14 +5,20 @@
 
 typedef struct{
     union{
-        struct{
-            byte unused : 1;
-            byte fineY : 3;
-            byte nameTableID : 2;
-            byte coarseY : 5;
+        struct __attribute__((packed, aligned(1))){
             byte coarseX : 5;
+            byte coarseY : 5;
+            byte nameTableID : 2;
+            byte fineY : 3;
+            byte unused: 1;
+
+        }field;
+
+        struct{
+            byte lsb;
+            byte msb;
 
-        }bits;
+        }bytes;
 
         word data;
     };